Entertainment Weekly has a long article in this week's issue, basically saying Mike Myers is a jerk. I don't think they dug up anything that hasn't been written many times before, but I hadn't heard this:
Myers' clout extended beyond Austin Powers. Midway through production on Shrek, he decided the ogre should speak with a Scottish accent — an inspired notion that cost DreamWorks roughly $5 million in wasted animation.
You can read the whole article here.